PORTAGE LEARNING BIOD 101 MODULE 2
EXAM/ PORTAGE LEARNING BIOD 101 MODULE
2 EXAM 2025 UPDATE QUESTIONS AND
ANSWERS
What is reproduction? - Answer-A living thing's way of producing new
and thriving generations to replace previous ones
Reproduction can occur ____ or ____ - Answer-Sexually or asexually
What does sexual reproduction involve? - Answer-Fusion of two
gametes that unite and grow into new offspring
What does asexual reproduction produce? - Answer-New offspring
from a single organism
What are examples of asexual reproduction? - Answer-Spore formation,
binary fission, vegetative reproduction, budding, fragmentation
What organisms use spore formation? - Answer-Protozoa, bacteria,
plans, fungi
What organisms use binary fission? - Answer-Prokaryotes and some
eukaryotic protozoa like amoeba
What organisms use budding? - Answer-Fungi, bacteria, some plants,
fewer animals
What organisms use fragmentation? - Answer-Segmented worms and
echinoderms like starfish
,How can the levels of biological organism be described? - Answer-
Successive, broadest to smallest
What are the levels of biological organization? - Answer-biosphere,
ecosystems, communities, populations, organisms, organ systems,
organs, tissues, cells, molecules and atoms
What is the biosphere? - Answer-Broadest level of organization that
encompasses earth and atmosphere, and all capable of sustaining living
organisms
What is an ecosystem? - Answer-A system of living and non living
things in a region
What are some examples of ecosystems? - Answer-Grasslands, forests,
deserts, coral reefs, soils, climate conditions
What are communities? - Answer-Collective organisms within a
biological ecosystem
What does a community include? - Answer-All living organisms like
fungi, plants, grasses, animals, bacteria, and protists
What is a population? - Answer-A group of one particular species living
within the defined bounds of a community
Several different ____ make a ____ - Answer-Populations, community
What is an organ system? - Answer-A group of organs classified as a
unit because of shared functions
What are organs? - Answer-Individual structures composed of two or
more tissue types that perform a common function
, What are tissues? - Answer-A group of similar cells and the immediate
environment surrounding them
What determines the function of the tissue type? - Answer-Unique cell
types and extracellular environments
What are cells? - Answer-Living structures with organelles that function
on a microscopic level to keep the individual alive
The smallest level of biological organization is at the... - Answer-
Chemical level
What is the chemical level comprised of? - Answer-Atoms and
molecules that are connected by chemical bonds and interactions
Who first developed the hierarchical classification system of organisms
in the 18th century? - Answer-Carolus Linnaeus
What is a taxon? - Answer-A unit/level of classification
What are the 8 taxonomic levels? - Answer-Domain, Kingdom, Phylus,
Class, Order, Family, Genus, Species
How many recognized domains are there? - Answer-3
What is phylogeny? - Answer-Plotting the evolutionary history of a
group or species
What are phylogenetic trees? - Answer-A diagram that maps
relationships between taxa.
Who first used organismal DNA sequences to construct phylogenetic
trees? - Answer-Dr. Carl Woese
EXAM/ PORTAGE LEARNING BIOD 101 MODULE
2 EXAM 2025 UPDATE QUESTIONS AND
ANSWERS
What is reproduction? - Answer-A living thing's way of producing new
and thriving generations to replace previous ones
Reproduction can occur ____ or ____ - Answer-Sexually or asexually
What does sexual reproduction involve? - Answer-Fusion of two
gametes that unite and grow into new offspring
What does asexual reproduction produce? - Answer-New offspring
from a single organism
What are examples of asexual reproduction? - Answer-Spore formation,
binary fission, vegetative reproduction, budding, fragmentation
What organisms use spore formation? - Answer-Protozoa, bacteria,
plans, fungi
What organisms use binary fission? - Answer-Prokaryotes and some
eukaryotic protozoa like amoeba
What organisms use budding? - Answer-Fungi, bacteria, some plants,
fewer animals
What organisms use fragmentation? - Answer-Segmented worms and
echinoderms like starfish
,How can the levels of biological organism be described? - Answer-
Successive, broadest to smallest
What are the levels of biological organization? - Answer-biosphere,
ecosystems, communities, populations, organisms, organ systems,
organs, tissues, cells, molecules and atoms
What is the biosphere? - Answer-Broadest level of organization that
encompasses earth and atmosphere, and all capable of sustaining living
organisms
What is an ecosystem? - Answer-A system of living and non living
things in a region
What are some examples of ecosystems? - Answer-Grasslands, forests,
deserts, coral reefs, soils, climate conditions
What are communities? - Answer-Collective organisms within a
biological ecosystem
What does a community include? - Answer-All living organisms like
fungi, plants, grasses, animals, bacteria, and protists
What is a population? - Answer-A group of one particular species living
within the defined bounds of a community
Several different ____ make a ____ - Answer-Populations, community
What is an organ system? - Answer-A group of organs classified as a
unit because of shared functions
What are organs? - Answer-Individual structures composed of two or
more tissue types that perform a common function
, What are tissues? - Answer-A group of similar cells and the immediate
environment surrounding them
What determines the function of the tissue type? - Answer-Unique cell
types and extracellular environments
What are cells? - Answer-Living structures with organelles that function
on a microscopic level to keep the individual alive
The smallest level of biological organization is at the... - Answer-
Chemical level
What is the chemical level comprised of? - Answer-Atoms and
molecules that are connected by chemical bonds and interactions
Who first developed the hierarchical classification system of organisms
in the 18th century? - Answer-Carolus Linnaeus
What is a taxon? - Answer-A unit/level of classification
What are the 8 taxonomic levels? - Answer-Domain, Kingdom, Phylus,
Class, Order, Family, Genus, Species
How many recognized domains are there? - Answer-3
What is phylogeny? - Answer-Plotting the evolutionary history of a
group or species
What are phylogenetic trees? - Answer-A diagram that maps
relationships between taxa.
Who first used organismal DNA sequences to construct phylogenetic
trees? - Answer-Dr. Carl Woese
